Local anaesthetics aid in wet free field by 1) Blocking parasympathetic nerve supply 2) Blocking the sympathetic nerve supply 3) By reducing the anxiety of the patient 4) All of the above
Conservative DentistryAnswer: 3
The property of gold that is not affected by cold working 1. Proportional limit 2. Mod. of elasticity 3. Hardness 4. Ductility
Conservative DentistryAnswer: 2
Pulp horn most likely to be exposed in class II amalgam preparation in upper and lower first molar respectively 1. Mesiolingual and mediobuccal 2. Mediolingual and distolingual 3. Distobuccal and distolingual 4. Distolingual and distobuccal
Conservative DentistryAnswer: 1
Caries spread in class II lesion may be described as 1) Double cone effect with bases towards the outer surface 2) Double cone effect with bases towards the pulp 3) Double cone effect with bases facing each other 4) None of the above
Conservative DentistryAnswer: 1
One of the inducing factors in pulpal pain is 1) Caries 2) Temperature changes 3) Microorganism in plaque 4) Occlusal trauma
Conservative DentistryAnswer: 2
In contanagled instruments one of the shanks should be placed within mm from the axis of the handle 1) 3 mm 2) 4 mm 3) 5 mm 4) 6 mm
Conservative DentistryAnswer: 1
After trituration and condensation of the amalgam, dimensional changes in it can be best described as 1) Contraction followed by expansion 2) Expansion followed by contraction 3) Only expansion 4) Only contraction
Conservative DentistryAnswer: 1
Smear layer consists of 1) Enamel debris 2) Microorganisms 3) Dentinal chips 4) All of the above
